Iron Cap Lake is a small freshwater lake located in the Alpine Lakes Wilderness, at the south ridge of Azurite Lake and other Necklace Valley lakes in King County, Washington. The lake is nestled on the north skirt of Iron Cap Mountain and produces the West Fork of the Foss River towards Bonnie Lake and contributions from Otter Lake. A short distance towards the West are Crawford Lake and Chetwoot Lake. Self-issued Alpine Lake Wilderness permit required for transit within the Necklace Valley area.[1]
| Iron Cap Lake | |
|---|---|
 Iron Cap Lake and Iron Cap Mountain | |
  Iron Cap Lake  Iron Cap Lake | |
| Location | King County, Washington, United States |
| Coordinates | 47°33′26″N 121°17′26″W / 47.5573°N 121.2906°W |
| Basin countries | United States |
Geography
editIron Cap Lake replicates the geology of the ridges that surround it with Permian volcanic rocks, Jurassic/Crustaceous sedimentary and volcanic rocks, with Tertiary granites and alluvium of recent age. The ridges may have iode gold, lead-zinc and silver known as Iron Cap and Tooker-Leshud deposits.[2]
West Fork Foss River
editIron Cap Lake was formerly a small glacier, snow and ice now feed into the upper West Fork Foss River drainage. Because of the irregular terrain and steep slope through which the West Fork Foss River flows upstream past Otter Lake towards Delta Lake, the river produces rapid rift with frequent rapids and a set of waterfalls including 159 feet (48 m) tall Otter Lake Falls.[3]
See also
editReferences
edit- ^ "Necklace Valley Trail 1062". United States Department of Agriculture. Retrieved 15 April 2021.
- ^ Draft Environmental Impact Statement: Proposed Land and Resource Management Plan : Mt. Baker-Snoqualmie National Forest Volume 2. U.S. Department of Agriculture, Forest Service, Pacific Northwest Region. 1987. p. 22.
- ^ ""Otter Lake Falls"". World Waterfall Database. Retrieved 15 April 2021.
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